/*??
*???Byte-oriented?AES-256?implementation.
*???All?lookup?tables?replaced?with?‘on?the?fly‘?calculations.?
*
*???Copyright?（c）?2007-2009?Ilya?O.?Levin?http://www.literatecode.com
*???Other?contributors:?Hal?Finney
*
*???Permission?to?use?copy?modify?and?distribute?this?software?for?any
*???purpose?with?or?without?fee?is?hereby?granted?provided?that?the?above
*???copyright?notice?and?this?permission?notice?appear?in?all?copies.
*
*???THE?SOFTWARE?IS?PROVIDED?“AS?IS“?AND?THE?AUTHOR?DISCLAIMS?ALL?WARRANTIES
*???WITH?REGARD?TO?THIS?SOFTWARE?INCLUDING?ALL?IMPLIED?WARRANTIES?OF
*???MERCHANTABILITY?AND?FITNESS.?IN?NO?EVENT?SHALL?THE?AUTHOR?BE?LIABLE?FOR
*???ANY?SPECIAL?DIRECT?INDIRECT?OR?CONSEQUENTIAL?DAMAGES?OR?ANY?DAMAGES
*???WHATSOEVER?RESULTING?FROM?LOSS?OF?USE?DATA?OR?PROFITS?WHETHER?IN?AN
*???ACTION?OF?CONTRACT?NEGLIGENCE?OR?OTHER?TORTIOUS?ACTION?ARISING?OUT?OF
*???OR?IN?CONNECTION?WITH?THE?USE?OR?PERFORMANCE?OF?THIS?SOFTWARE.
*/
#include?“aes256.h“

#define?F（x）???（（（x）<<1）?^?（（（（x）>>7）?&?1）?*?0x1b））
#define?FD（x）??（（（x）?>>?1）?^?（（（x）?&?1）???0x8d?:?0））

//?#define?BACK_TO_TABLES
#ifdef?BACK_TO_TABLES

const?uint8_t?sbox[256]?=?{
????0x63?0x7c?0x77?0x7b?0xf2?0x6b?0x6f?0xc5
????0x30?0x01?0x67?0x2b?0xfe?0xd7?0xab?0x76
????0xca?0x82?0xc9?0x7d?0xfa?0x59?0x47?0xf0
????0xad?0xd4?0xa2?0xaf?0x9c?0xa4?0x72?0xc0
????0xb7?0xfd?0x93?0x26?0x36?0x3f?0xf7?0xcc
????0x34?0xa5?0xe5?0xf1?0x71?0xd8?0x31?0x15
????0x04?0xc7?0x23?0xc3?0x18?0x96?0x05?0x9a
????0x07?0x12?0x80?0xe2?0xeb?0x27?0xb2?0x75
????0x09?0x83?0x2c?0x1a?0x1b?0x6e?0x5a?0xa0
????0x52?0x3b?0xd6?0xb3?0x29?0xe3?0x2f?0x84
????0x53?0xd1?0x00?0xed?0x20?0xfc?0xb1?0x5b
????0x6a?0xcb?0xbe?0x39?0x4a?0x4c?0x58?0xcf
????0xd0?0xef?0xaa?0xfb?0x43?0x4d?0x33?0x85
????0x45?0xf9?0x02?0x7f?0x50?0x3c?0x9f?0xa8
????0x51?0xa3?0x40?0x8f?0x92?0x9d?0x38?0xf5
????0xbc?0xb6?0xda?0x21?0x10?0xff?0xf3?0xd2
????0xcd?0x0c?0x13?0xec?0x5f?0x97?0x44?0x17
????0xc4?0xa7?0x7e?0x3d?0x64?0x5d?0x19?0x73
????0x60?0x81?0x4f?0xdc?0x22?0x2a?0x90?0x88
????0x46?0xee?0xb8?0x14?0xde?0x5e?0x0b?0xdb
????0xe0?0x32?0x3a?0x0a?0x49?0x06?0x24?0x5c
????0xc2?0xd3?0xac?0x62?0x91?0x95?0xe4?0x79
????0xe7?0xc8?0x37?0x6d?0x8d?0xd5?0x4e?0xa9
????0x6c?0x56?0xf4?0xea?0x65?0x7a?0xae?0x08
????0xba?0x78?0x25?0x2e?0x1c?0xa6?0xb4?0xc6
????0xe8?0xdd?0x74?0x1f?0x4b?0xbd?0x8b?0x8a
????0x70?0x3e?0xb5?0x66?0x48?0x03?0xf6?0x0e
????0x61?0x35?0x57?0xb9?0x86?0xc1?0x1d?0x9e
????0xe1?0xf8?0x98?0x11?0x69?0xd9?0x8e?0x94
????0x9b?0x1e?0x87?0xe9?0xce?0x55?0x28?0xdf
????0x8c?0xa1?0x89?0x0d?0xbf?0xe6?0x42?0x68
????0x41?0x99?0x2d?0x0f?0xb0?0x54?0xbb?0x16
};
const?uint8_t?sboxinv[256]?=?{
????0x52?0x09?0x6a?0xd5?0x30?0x36?0xa5?0x38
????0xbf?0x40?0xa3?0x9

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????12757??2009-03-26?22:32??aes256.c
?????文件????????1938??2008-06-15?22:57??demo.c
?????文件????????1504??2009-03-26?22:33??aes256.h